1 Thorne Moors Vertebrates Report 2013 Papers, Printed Copies of the Thorne Moors Vertebrates Report 2013 Are Available Alongside the Electronic Report
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THORNE MOORS VERTEBRATES REPORT 2013 Compiled by Martin Limbert, Bryan P. Wainwright and Steve Hiner 2014 CONTENTS Introduction Reptiles 2009–12 (with additions and corrections 2007–08) Working paper on deer List of observers and acknowledgements Species monitoring The establishment of Black-necked Grebe Recording in 2013 by Martin Limbert Birds Marsh Harriers 1990–2003 by Martin Limbert Mammals Black-headed Gull ringing: first instalment of results by Martin Limbert Reptiles A review of fish in Swinefleet Warping Drain Amphibians by Martin Limbert Fish New or additional literature sources Additions and corrections 2008–12 (excluding reptiles) INTRODUCTION 1. Scope of the report. The Thorne Moors Vertebrates Report 2013 is an unusually long report, not least because it continues the process of making Thorne Moors vertebrates recording as up-to-date as possible. Thus the Report contains elements beyond the routine 2013 components. Also, notice is given of a working paper on the deer of Thorne Moors, published separately in May 2014. Ever since 2012, an attempt has been made to catch up with backlogs of records and monitoring. This overall process began in the Thorne Moors Vertebrates Report 2012, and continues in the current Report. The last Report to include reptile data was that for 2008. The Thorne Moors Vertebrates Report 2013 catches up by detailing additional reptile records for 2007–08 and all reptile records 2009–12. The recorder is Steve Hiner. The present Report otherwise contains accounts of birds, mammals, herptiles and fish in 2013. Also, available additions and corrections to the Reports for 2008–12 (excluding reptiles) are listed in full. The additions include Bean Goose, new to the Thorne Moors list in 2008 and published belatedly here. Finally, and regrettably, the bird ringing report for 2013 has not been released by the Thorne Moors ringer for inclusion here. The contents at the rear of the Thorne Moors Vertebrates Report 2013 partly reflect the catching up that is underway. They commence with a paper summarizing the establishment of Black-necked Grebe on Thorne Moors during the 15 year period 1998–2012. The second paper gives annual digests of Marsh Harrier records 1990–2003. This completes yearly summaries for the overall period 1990– 2013. It thereby allows Thorne Moors to form a usable case-study in any wider documentation to demonstrate the transformed status of Marsh Harrier in Yorkshire and/or Lincolnshire. Thirdly, there is a first instalment of the results of Black-headed Gull ringing on Thorne Moors. Over the years, this has involved the ringing of juveniles (pulli) at the breeding colonies. Also, corpses of ringed Black- headed Gulls have occasionally been found on Thorne Moors, thereby extending the information available. The fourth paper puts on record all available information on the fish of Swinefleet Warping Drain. This includes significant new material from local anglers, gathered together by Peter Hinks of the Goole & District Natural History Society. Partly because of the inclusion of these summary 1 Thorne Moors Vertebrates Report 2013 papers, printed copies of the Thorne Moors Vertebrates Report 2013 are available alongside the electronic report. The final paper compiled in recent months is mainly conspicuous by its absence. An illustrated account of Common Cranes from 2009 onwards has been assembled to archive a summary of observations during that period. Discussions are ongoing with Natural England to agree the form the paper will take for publication in the Thorne Moors Vertebrates Report 2014. As a result, for the present Report, short yearly summaries are included, inserted as appropriate. These augment an item published earlier that gives all records 1970–2008 (Lapwing Special Series 16: 59). Together, they span 44 years, and combine an overview of past records with documentation of colonization up to the first successful fledging of a juvenile. Natural England intend Thorne (and Hatfield) Moors to act as a population source to assist in the wider colonization of England. Thus, Common Crane management is aimed at maximizing breeding productivity. This requires some seasonal access restrictions and associated wardening. Linked with this, nesting and foraging behaviour have been monitored in detail, as has the Cranes' reaction to threats like adverse weather, disturbance and predators/control. The full paper summarizes all information made available for the period from 2009. This includes casual recording as well as material released by Natural England. Hopefully, a publishable version of the paper will be approved for the next Report. 2. Recording area. The Thorne Moors recording area is deliberately interpreted somewhat loosely. It comprises the whole of the peatland, contiguous unfarmed areas, the Thorne Colliery curtilage, and peripheral farmland and drains. The limit to the north is defined as the line of the old Axholme Joint Railway. Otherwise, a field width or so is a practical rule-of-thumb. 3. Place-names. In broad terms, the name Thorne Moors is used to embrace both the peatland and other areas under study. The surviving peat is divided by parish limits, the parish names being Thorne Waste, Snaith & Cowick Moor, Rawcliffe Moor, Goole Moor and Crowle Moor. Thorne Waste (except now the Yorkshire Triangle) lies in South Yorkshire. The other parishes lie in East Yorkshire, except Crowle Moor and the Yorkshire Triangle, which are in North Lincolnshire. That part of Goole Moor situated north of Rawcliffe Moor is designated as 'Northern Goole Moor' for recording purposes. The name Top House Farm refers only to that part of the farm that extends from the Moors to the Thorne–Goole railway. Within the parish framework, numerous place-names are employed for bird recording. Virtually all these names were included on a place-names map issued with the Thorne Moors Vertebrates Report 2005. Several copies of this map are still available. It should be noted that during 2012 the name 'Woodside floods' became established, and is again employed here. It denotes flooded workings bounded by Will Pits Tram, Will Pits, Mervyn's Tram and Middle Moor Tram. Another name now in use is 'Thousand Acre floods', describing an area bounded by Middle Moor Tram north of Fisons' Road, Blackwater Dike and Will Pits. The term 'southern fields' embraces fields from Elmhirst, around the southern part of Thorne Waste and as far as Pony Bridge Wood. One of two further new names that occur in this report is 'Swinefleet Gate'. This is now given to the security gate restricting access to the Moors over Swinefleet Warping Drain next to Top Moor Farm. The second is 'Lonesome Pine Track'. This is west of Pony Bridge Wood and east of Limberlost Tram. It extends from the latter tram towards the southern edge of the Moors, between Limberlost Wood and the south-eastern corner of the Moors. 4. Current sources of nomenclature and species sequence • The British Birds list of Western Palearctic Birds, British Birds Ltd. See www.britishbirds.co.uk/bblist.htm (accessed 5th June 2014) • S. Harris & D.W. Yalden (editors) (2008) Mammals of the British Isles: Handbook, 4th edition. The Mammal Society, Southampton • H.R. Arnold (1995) Atlas of amphibians and reptiles in Britain. Institute of Terrestrial Ecology research publication No. 10. HMSO, London • C.E. Davies et al. (compilers and editors) (2004) Freshwater fishes in Britain the species and their distribution. Harley Books, Colchester • G.T.D. Wilmore, J. Lunn and J.S. Rodwell (2011) The South Yorkshire Plant Atlas. Yorkshire Naturalists’ Union and Yorkshire & the Humber Ecological Data Trust, no place 2 Thorne Moors Vertebrates Report 2013 5. Descriptions and visual evidence of birds. For nationally rare taxa, evidence should be made available in accordance with the requirements of the British Birds Rarities Committee. At county level, material should be prepared in compliance with the lists issued by the Yorkshire Naturalists' Union (Birds Section Adjudication Panel) or the Lincolnshire Bird Club (Lincolnshire Bird Records Committee), as appropriate. Advice can be made available upon request. 6. Rare breeding birds. In addition to Natural England, records of rare breeding birds are made available to the county organizations, and via them to the Rare Breeding Birds Panel. Records may also be accessed by bona fide specialist study groups. 7. Daily bird counts and WeBS counts. In the species accounts that follow, there may be references to daily counts, counts, totals etc. It is emphasized that these are not full site counts, but counts made by an individual observer or group on a particular date. It is possible to have more than one count on a single date, when the highest will be used if they cannot be coordinated or united. The recording area is very large, and site totals are difficult to establish with certainty, except for the scarcer species. However, for some wetland birds, it is possible to visit the most likely places to count them, thus attaining a relatively accurate moorland total. It is acknowledged that such reported daily counts may sometimes be regarded as vague. However, they are broadly comparable over a period of years. During 2012, more structured monitoring of wetland birds was commenced, and this continued in 2013. Under Natural England's survey programme for the NNR, year round counts of wetland birds on Thorne Moors were undertaken as part of the national Wetland Bird Survey (WeBS).* *WeBS is a partnership between the BTO, the RSPB and the JNCC, in association with the Wildfowl and Wetlands Trust. 8. Website. There is now a separate website dedicated to background information about Thorne Moors vertebrates: thornemoors.wordpress.com. Although accessible from April 2014, it is still under construction. However, note item 9 below, for which there is no change. 9. Contacts. Records of all vertebrates can be submitted for the blog/report via 'Contact us' on the website www.birdingsiteguide.com.